CN220142779U - Back flushing mechanism of screw filter - Google Patents
Back flushing mechanism of screw filter Download PDFInfo
- Publication number
- CN220142779U CN220142779U CN202321593265.8U CN202321593265U CN220142779U CN 220142779 U CN220142779 U CN 220142779U CN 202321593265 U CN202321593265 U CN 202321593265U CN 220142779 U CN220142779 U CN 220142779U
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- China
- Prior art keywords
- filter
- screw
- shell
- spliced
- flushing
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Links
- 238000011010 flushing procedure Methods 0.000 title claims abstract description 53
- 230000007246 mechanism Effects 0.000 title claims abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 30
- 238000001914 filtration Methods 0.000 claims abstract description 18
- 238000004140 cleaning Methods 0.000 claims abstract description 15
- 239000010802 sludge Substances 0.000 claims description 16
- 230000009467 reduction Effects 0.000 claims description 13
- 230000005540 biological transmission Effects 0.000 claims description 9
- 210000001503 joint Anatomy 0.000 claims description 7
- 230000002146 bilateral effect Effects 0.000 claims description 3
- 239000002893 slag Substances 0.000 abstract description 18
- 230000000694 effects Effects 0.000 abstract description 6
- 238000009434 installation Methods 0.000 description 8
- 230000009471 action Effects 0.000 description 3
- 230000001680 brushing effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Landscapes
- Filtration Of Liquid (AREA)
Abstract
The utility model relates to the technical field of screw filters and discloses a back flushing mechanism of a screw filter, which comprises a screw filter component, wherein a spliced filter and a filter back flushing component are arranged in a lower shell and a shell on the screw filter component, the spliced filter is positioned at the outer side of a filtering cleaning brush, four back flushing pipes which are annularly arranged on the filter back flushing component are annularly arranged on the outer side surface of a filter screen cylinder, namely the outer side surface of a grid basket, so that the filter screen cylinder can be sufficiently cleaned and flushed, the filter screen cylinder can be effectively cleaned, higher filtering efficiency is ensured, and flushing water can be sufficiently contacted with grid slag compared with the point water inlet flushing directly through a flushing port, and the effect of flushing the grid slag by water flow is improved.
Description
Technical Field
The utility model belongs to the technical field of screw filters, and particularly relates to a back flushing mechanism of a screw filter.
Background
The screw filter can be directly installed in the sewage channel or in the container. When sewage passes through an obliquely placed screw filter, floating, sedimentation and suspended substances are effectively trapped and separated out. When the machine runs, the material can be lifted by the slag removing brush arranged on the spiral sheet, and meanwhile, the material is pressed.
The disclosed (bulletin) screw filter with the number of CN218794234U is characterized in that when the content of organic matters is high, the filter residue can be subjected to dry flushing treatment, dissolved matters are separated, the filter residue is further flushed when the filter residue is squeezed and dehydrated, the dissolved matters are separated again, and meanwhile, the flushing unit is utilized to flush the grid residues attached to the inside of a grid basket in the operating screw filter assembly so as to facilitate the spiral brushing rake to further squeeze and dehydrate the grid residues;
the screw filter with the detachable grid slag adopts the flushing port to flush the water body into the grid basket, the grid slag scraped by the spiral brush is flushed by pressure water, and the flushing assembly of the screw filter in the prior art is combined with the local part water inlet of the screw filter through a water inlet, so that the flushing effect of the whole screw filter is poor due to the fact that the local point water inlet is achieved, the contact amount of water flow in the screw filter with the grid slag is limited, the water flow cannot fully contact with the grid slag in the screw filter, and the effect of flushing the grid slag by the water flow is affected.
Disclosure of Invention
The utility model aims to provide a back flushing mechanism of a screw filter, which aims to solve the problems in the prior art.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the back flushing mechanism of the screw filter comprises a screw filter assembly, wherein the screw filter assembly comprises a lower shell extending into the filter tank, a shell communicated with the lower shell, a filtering cleaning brush arranged in the lower shell and the shell and fixed on a spiral brush rake, and a driving piece for driving the spiral brush rake to rotate;
a spliced filter and a filter back flushing assembly are arranged in the lower shell and the outer shell, and the spliced filter is positioned at the outer side of the filtering cleaning brush;
the spliced filter comprises two semicircular concave type filter screens spliced into a filter screen cylinder, two semicircular concave type flange plates which are respectively arranged at two ends of the two semicircular concave type filter screens and spliced into a flange butt joint disc, and butt joint plates which are respectively arranged on the two semicircular concave type filter screens and butt joint the two semicircular concave type filter screens into an integral filter screen cylinder;
the filter back flushing assembly comprises three annular rings which are arranged at equal intervals, four connecting rods which are arranged at equal intervals in an annular mode and are connected with the three annular rings, and four back flushing pipes which are fixedly arranged below each connecting rod respectively;
the four back flushing pipes are sleeved on the outer side surface of the spliced filter and connected to the water supply pipe on the outer side of the shell through the water inlet branch pipes, and the water supply pipe is provided with a flushing electromagnetic valve.
Preferably, the outer side of shell has cup jointed the staple bolt support, the staple bolt support passes through the locking bolt to be fixed on the erection support, the lower casing is equipped with the installation extension board that is bilateral symmetry setting, it has a plurality of mounting holes to arrange on the installation extension board.
The bottom of the lower shell is communicated with a sludge feeding hole.
The shell is provided with a dehydrated mud cake discharge outlet.
The driving piece comprises a driving motor and a reduction gear box, the output end of the driving motor is in transmission connection with the input end of the reduction gear box, and the output end of the reduction gear box is in transmission connection with the input end of the spiral brush rake;
the driving motor is matched with the reduction gearbox to drive the filtering cleaning brush and the spiral brush rake to rotate, sludge water enters the lower shell and the outer shell from the sludge feed inlet, the scraped grid slag enters along with spiral transmission under the action of the filtering cleaning brush and the spiral brush rake to be scraped, the cleaned grid slag is scraped and enters the spiral brush rake to be conveyed and lifted, the sludge is squeezed and dehydrated, and the dehydrated sludge cake is discharged through the dehydrated sludge cake discharge outlet.
Preferably, the spliced filter is connected with two flange plates through semicircular concave-surface flange plates at two ends of the spliced filter, and the two flange plates are respectively and fixedly arranged on the inner sides of two annular rings which are arranged in a front-back symmetrical mode.
The utility model has the technical effects and advantages that:
(1) Four backwash pipes which are annularly arranged on a filter backwash assembly in the screw filter assembly are annularly arranged on the outer side surface of the filter screen cylinder, namely the outer side surface of the grating basket, so that the filter screen cylinder/grating basket can be cleaned and flushed by 360 degrees, the filter screen cylinder/grating basket can be effectively cleaned, higher filtering efficiency is ensured, and compared with the case of directly flushing through point water in a flushing port mode, flushing water can fully contact with grating slag, and the effect of flushing grating slag by water flow is improved;
(2) The shell of the screw filter assembly is fixedly connected with the hoop support through the locking bolt, the hoop support is fixed on the mounting support through unscrewing and locking of the locking bolt, the inclination angle of the shell relative to the mounting support can be adjusted, the inclination angle of the screw filter assembly relative to the filter tank can be adjusted, after the adjustment is finished, the screw filter assembly is mounted and fixed through the mounting support plate, and the screw filter assembly is convenient to adjust and convenient to adapt to the installation on the filter tanks in different places;
(3) The spliced filter is connected with the two flange plates through the semicircular concave-shaped flange plates at the two ends of the spliced filter, the two flange plates are respectively and fixedly arranged on the inner sides of the two annular rings which are arranged in a front-back symmetrical mode, and the spliced filter is conveniently detached from the inner side of the filter back flushing assembly to be overhauled, cleaned or replaced.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a top view of the present utility model;
FIG. 3 is a schematic view of the structure of the filter according to the present utility model;
FIG. 4 is a schematic view of a splice filter according to the present utility model;
FIG. 5 is a schematic view of the structure of the filter backwash assembly of the present utility model.
In the figure: 1. a screw filter assembly; 101. a lower housing; 102. a housing; 103. filtering the cleaning brush; 104. a driving motor; 105. a reduction gear box; 106. a water supply pipe; 107. flushing the electromagnetic valve; 108. spiral brushing and raking;
2. a hoop bracket; 3. a locking bolt; 4. a mounting support; 5. mounting a support plate; 6. a mounting hole; 7. a sludge feed inlet; 8. a dehydrated mud cake discharge port;
9. a splice filter; 901. a semicircular concave filter screen; 902. semicircular concave flange plate; 903. an abutting plate; 904. a flange plate;
10. a filter backwash assembly; 1001. an annular ring; 1002. a connecting rod; 1003. and (5) back flushing the pipe.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The utility model provides a back flushing mechanism of a screw filter, which is shown in figures 1-5, and comprises a screw filter assembly 1, wherein the screw filter assembly 1 comprises a lower shell 101 extending into a filter tank, a shell 102 communicated with the lower shell 101, a filtering cleaning brush 103 arranged in the lower shell 101 and the shell 102 and fixed on a spiral brush rake 108, and a driving piece for driving the spiral brush rake 108 to rotate;
the driving piece comprises a driving motor 104 and a reduction gear box 105, wherein the output end of the driving motor 104 is in transmission connection with the input end and the output end of the reduction gear box 105, and the output end of the reduction gear box 105 is in transmission connection with the input end of the spiral brush rake 108.
The bottom end of the lower shell 101 is communicated with a sludge feeding port 7.
The shell 102 is provided with a dehydrated mud cake discharging outlet 8.
The driving motor 104 is matched with the reduction gearbox 105 to drive the filtering cleaning brush 103 and the spiral brush rake 108 to rotate, sludge water enters the lower shell 101 and the outer shell 102 from the sludge feed port 7, the scraped grid slag enters along with spiral transmission under the rotation action of the filtering cleaning brush 103 and the spiral brush rake 108, the cleaned grid slag is scraped and enters the spiral brush rake 108 to be transmitted and lifted, the sludge is squeezed and dehydrated, and the dehydrated sludge cake is discharged through the dehydrated sludge cake discharge port 8.
The outer side of shell 102 has cup jointed staple bolt support 2, staple bolt support 2 passes through locking bolt 3 to be fixed on mounting bracket 4, lower casing 101 is equipped with and is the installation extension board 5 that bilateral symmetry set up, it has a plurality of mounting holes 6 to arrange on the installation extension board 5.
The anchor ear support 2 has been embraced on the shell 102 of screw filter subassembly 1, anchor ear support 2 passes through locking bolt 3 to be fixed on mount bracket 4, through unscrewing and locking of locking bolt 3, can adjust the inclination of shell 102 for mount bracket 4, can adjust the inclination of screw filter subassembly 1 for the filtering pond, after adjusting, through installation extension board 5 with screw filter subassembly 1 installation fixed, it is convenient to adjust, the convenient installation of adaptation on the filtering pond in different places.
The lower shell 101 and the shell 102 are internally provided with a spliced filter 9 and a filter back flushing assembly 10, and the spliced filter 9 is positioned at the outer side of the filter cleaning brush 103;
the spliced filter 9 comprises two semicircular concave type filter screens 901 spliced into a filter screen cylinder, two semicircular concave type flange plates 902 respectively arranged at two ends of the two semicircular concave type filter screens 901 and spliced into a flange butt joint disc, and butt joint plates 903 respectively arranged on the two semicircular concave type filter screens 901 and butt-joint the two semicircular concave type filter screens 901 into an integral filter screen cylinder;
the filter back flushing assembly 10 comprises three annular rings 1001 which are arranged at equal intervals, four connecting rods 1002 which are arranged at equal intervals in an annular mode and are connected with the three annular rings 1001, and four back flushing pipes 1003 which are fixedly arranged below each connecting rod 1002 respectively, wherein flushing nozzles are uniformly distributed on the back flushing pipes 1003.
Four back flushing pipes 1003 are sleeved on the outer side surface of the spliced filter 9, the four back flushing pipes 1003 are connected to a water supply pipe 106 on the outer side of the shell 102 through water inlet pipes, and a flushing electromagnetic valve 107 is arranged on the water supply pipe 106.
Four back flushing pipes 1003 which are annularly arranged on the filter back flushing assembly 10 are annularly arranged on the outer side face of the filter screen cylinder, namely on the outer side face of the grid basket, so that the filter screen cylinder/grid basket can be cleaned and flushed by 360 degrees, the filter screen cylinder/grid basket can be effectively cleaned, higher filtering efficiency is ensured, and compared with the point water flushing which directly passes through a flushing port, flushing water can fully contact with grid slag, and the effect of flushing the grid slag by water flow is improved.
The spliced filter 9 is in flange connection with the two flange plates 904 through semicircular concave-shaped flange plates 902 at two ends of the spliced filter 9, the two flange plates 904 are respectively and fixedly arranged on the inner sides of the two annular rings 1001 which are symmetrically arranged front and back, and the spliced filter 9 is conveniently detached from the inner side of the filter back flushing assembly 10 for overhauling, cleaning or replacement.
The back flushing mechanism of the screw filter is characterized in that a driving motor 104 is matched with a reduction gearbox 105 to drive a filtering cleaning brush 103 and a spiral brush rake 108 to rotate, sludge water enters a lower shell 101 and a shell 102 from a sludge feeding port 7, under the rotation action of the filtering cleaning brush 103 and the spiral brush rake 108, scraped grid slag enters along with spiral transmission, cleaned grid slag is scraped and enters the spiral brush rake 108 to be transmitted and lifted, squeezed and dehydrated, and dehydrated mud cakes are discharged through a dehydrated mud cake discharge port 8.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.
Claims (6)
1. A back flushing mechanism of a screw filter, comprising a screw filter assembly (1), characterized in that: the screw filter assembly (1) comprises a lower shell (101) extending into the filter tank, a shell (102) communicated with the lower shell (101), a filtering cleaning brush (103) which is arranged in the lower shell (101) and the shell (102) and is fixed on a spiral brush rake (108), and a driving piece for driving the spiral brush rake (108) to rotate;
a spliced filter (9) and a filter back flushing assembly (10) are arranged in the lower shell (101) and the shell (102), and the spliced filter (9) is positioned at the outer side of the filtering cleaning brush (103);
the spliced filter (9) comprises two semicircular concave type filter screens (901) spliced into a filter screen cylinder, two semicircular concave type flange plates (902) respectively arranged at two ends of the two semicircular concave type filter screens (901) and spliced into a flange butt joint disc, and butt joint plates (903) respectively arranged on the two semicircular concave type filter screens (901) and butt-joint the two semicircular concave type filter screens (901) into an integral filter screen cylinder;
the filter back flushing assembly (10) comprises three annular rings (1001) which are arranged at equal intervals, four connecting rods (1002) which are arranged at equal intervals in an annular mode and are connected with the three annular rings (1001), and four back flushing pipes (1003) which are fixedly arranged below each connecting rod (1002);
four back flush pipes (1003) are sleeved on the outer side surface of the spliced filter (9), the four back flush pipes (1003) are connected to a water supply pipe (106) on the outer side of the shell (102) through water inlet branch pipes, and a flushing electromagnetic valve (107) is arranged on the water supply pipe (106).
2. A backwash mechanism for a screw filter as recited in claim 1, wherein: the outer side face of shell (102) has cup jointed staple bolt support (2), staple bolt support (2) are fixed on installing support (4) through locking bolt (3), lower casing (101) are equipped with and are installing extension board (5) that bilateral symmetry set up, it has a plurality of mounting holes (6) to arrange on installing extension board (5).
3. A backwash mechanism for a screw filter as recited in claim 1, wherein: the bottom end of the lower shell (101) is communicated with a sludge feeding hole (7).
4. A backwash mechanism for a screw filter as recited in claim 1, wherein: the shell (102) is provided with a dehydrated mud cake discharge outlet (8).
5. A backwash mechanism for a screw filter as recited in claim 1, wherein: the driving piece comprises a driving motor (104) and a reduction gear box (105), wherein the output end of the driving motor (104) is in transmission connection with the input end of the reduction gear box (105), and the output end of the reduction gear box (105) is in transmission connection with the input end of the spiral brush rake (108).
6. A backwash mechanism for a screw filter as recited in claim 1, wherein: the spliced filter (9) is in flange connection with the two flange plates (904) through semicircular concave-surface flange plates (902) at two ends of the spliced filter, and the two flange plates (904) are respectively and fixedly arranged on the inner sides of two annular rings (1001) which are symmetrically arranged in front-back mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321593265.8U CN220142779U (en) | 2023-06-21 | 2023-06-21 | Back flushing mechanism of screw filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321593265.8U CN220142779U (en) | 2023-06-21 | 2023-06-21 | Back flushing mechanism of screw filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220142779U true CN220142779U (en) | 2023-12-08 |
Family
ID=89016206
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321593265.8U Active CN220142779U (en) | 2023-06-21 | 2023-06-21 | Back flushing mechanism of screw filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220142779U (en) |
-
2023
- 2023-06-21 CN CN202321593265.8U patent/CN220142779U/en active Active
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